CaratHunter
Plans
Radiant|Lab Grown|IGI

1.45ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG754508818

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754508818

Diamond specifications and retailer prices

From HK$3,515 HKD
As of October 30, 2026
Save HK$14,766 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,280 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508818 or 754508818. Listed at 15 retailers as of October 30, 2026, with prices from HK$3,515 to HK$18,280, a HK$14,766 spread on the same certified stone. Brilliant Earth lists it at HK$18,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508818
Dimensions5.57 × 5.57 × 3.68 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.57 mm5.57 mm1.45 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508818
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$18,280 HKD|Low: HK$2,903 HKD|High: HK$23,851 HKD|Avg: HK$8,974 HKD|-23.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12HK$3,515 HKD
Retailer 11HK$3,531 HKD
Retailer 9HK$4,127 HKD
Retailer 3HK$4,213 HKD
Retailer 2HK$4,752 HKD
Retailer 5HK$5,506 HKD
Retailer 4HK$6,653 HKD
Retailer 6HK$9,335 HKD
Retailer 7HK$9,994 HKD
Retailer 14HK$10,038 HKD
Retailer 10HK$10,266 HKD
Retailer 8HK$16,201 HKD
Retailer 13HK$16,774 HKD
Brilliant EarthHK$18,280 HKD

44 data points across 14 retailers

15 retailersHK$3,515 HKD to HK$18,280 HKD

A
Cheapest Retailer
-
HK$3,515 HKD
A
Retailer 2
-
HK$3,531 HKD
$450 USD
View
Retailer 3
-
HK$4,127 HKD
€501 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$4,213 HKD
$537 USD
View
A
Retailer 5
-
HK$4,752 HKD
£477 GBP
View
A
Retailer 6
-
HK$5,506 HKD
$702 USD
View
B+
Retailer 7
-
HK$6,653 HKD
$848 USD
View
B+
Retailer 8
-
HK$9,335 HKD
$1,190 USD
View
B+
Retailer 9
-
HK$9,994 HKD
£1,003 GBP
View
B+
Retailer 10
-
HK$10,038 HKD
SGD 1,729 SGD
View
Retailer 11
-
HK$10,266 HKD
A$2,013 AUD
View
Price last confirmed 23 days ago
Retailer 12
-
HK$15,652 HKD
$1,995 USD
View
Price last confirmed 10 days ago
Retailer 13
-
HK$16,201 HKD
$2,065 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$16,774 HKD
$2,138 USD
View
Most Expensive
B
Brilliant Earth
18669149Y · Oct 30
HK$18,280 HKD
$2,330 USD
View
14 more retailers have this diamond
Prices start from HK$3,515 HKDSave up to HK$14,766 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.45ct Radiant
HK$3,515 HKD